Lamp



FIG. 1 is a front view of a lamp showing my new design, the rear being identical to that shown, except for the position of the circular protrusions.

FIG. 2 is a side view thereof, the opposite side being identical to that shown except for the position of the circular protrusions.

FIG. 3 is a top view of the lamp; and,

FIG. 4 is a bottom view of the lamp. 

The ornamental design for a lamp, as shown and described. 